Merge branch 'link-start-stop-sync' of github.com:Bubobubobubobubo/sa…

…rdine into link-start-stop-sync

sardine_core/clock/link_clock.py

@@ -146,7 +146,7 @@ def tempo(self, new_tempo: float) -> None:
         self.env.dispatch("tempo_change", self.tempo, new_tempo)
         if self._link is not None:
             session = self._link.captureSessionState()
-            session.setTempo(new_tempo, self.beats_per_bar)
+            session.setTempo(new_tempo, self._link_time)
             self._link.commitSessionState(session)
 
     ## METHODS  ##############################################################

sardine_core/scheduler/async_runner.py

@@ -436,7 +436,7 @@ def start(self):
             return
 
         self._task = asyncio.create_task(self._runner())
-        self._task.add_done_callback(asyncio.Task.result)
+        self._task.add_done_callback(self._on_task_done)
 
     def is_running(self) -> bool:
         """Returns True if the runner is running."""
@@ -867,3 +867,9 @@ def _skip_iteration(self) -> None:
     def _jump_start_iteration(self) -> None:
         self._jump_start = True
         self._skip_iteration()
+
+    def _on_task_done(self, task: asyncio.Task) -> None:
+        if task.cancelled():
+            return  # Suppress CancelledError
+
+        task.result()  # Raise any exception if present